/*
    GNU GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The Lobo Project

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
    License as published by the Free Software Foundation; either
    verion 2 of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.

    You should have received a copy of the GNU General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: lobochief@users.sourceforge.net
*/
package org.lobobrowser.settings;

import java.io.Serializable;
import java.util.logging.*;

import org.lobobrowser.security.GenericLocalPermission;
import org.lobobrowser.store.StorageManager;

/**
 * Miscellaneous settings in the form of boolean values. This is a singleton class
 * with an instance obtained by calling {@link #getInstance()}.
 */
public class BooleanSettings implements Serializable {
    private static final BooleanSettings instance;
    private static final long serialVersionUID = 22574500900000604L;

    /**
     * Whether chunked encoding is used in POSTs. Note that
     * some servers (e.g. Wikimedia) apparently expect a
     * content length.
     */
    private boolean httpUseChunkedEncodingPOST;
    
    static {
    	BooleanSettings ins = null;
		try {
			ins = (BooleanSettings) StorageManager.getInstance().retrieveSettings(BooleanSettings.class.getSimpleName(), BooleanSettings.class.getClassLoader());
		} catch(Exception err) {
		}
		if(ins == null) {
			ins = new BooleanSettings();
		}
		instance = ins;    	
    }

    private BooleanSettings() {
    	this.resetDefaults();
    }

    private void resetDefaults() {
    	this.httpUseChunkedEncodingPOST = false;
    }
    
    /**
     * Gets the class singleton.
     */
    public static BooleanSettings getInstance() {
    	SecurityManager sm = System.getSecurityManager();
    	if(sm != null) {
    		sm.checkPermission(GenericLocalPermission.EXT_GENERIC);
    	}
    	return instance;
    }
    
    public void save() {
    	try {
    		StorageManager.getInstance().saveSettings(this.getClass().getSimpleName(), this);
    	} catch(java.io.IOException ioe) {
    	}
    }

	public boolean isHttpUseChunkedEncodingPOST() {
		return httpUseChunkedEncodingPOST;
	}

	public void setHttpUseChunkedEncodingPOST(boolean httpUseChunkedEncodingPOST) {
		this.httpUseChunkedEncodingPOST = httpUseChunkedEncodingPOST;
	}
}
